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MATX form factor

What is mATX form factor

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Micro atx. Most pcs use a standard atx motherboard. Your's is smaller and uses the micro atx. All the same features of an atx board just a smaller form factor.

Posted on May 02, 2008

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I have an Hp m260n. I just need to find out what type of case it has (ATX or uATX).


http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&cc=us&docname=c00026876

Motherboard: ASUS P4SD Motherboard Specifications

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00022505&lc=en&cc=us&dlc=en#c00022505_doc

Board Form Factor: uATX

uATX stands for Micro-ATX,

http://en.wikipedia.org/wiki/MicroATX

http://en.wikipedia.org/wiki/Computer_form_factor

http://en.wikipedia.org/wiki/Computer_form_factor#Tabular_information

HOWEVER, the Power Supply is an ATX form factor,

http://www.911forpcs.com/hp-media-center-power-supply.html

,of a sort.

Form Factor related directly to desktop computer Motherboards.
Now has 'evolved' to relate to the computer case, and Power Supply.

When referring to a Power Supply, and the ATX form factor; you are not only referring to the size, and shape of the Power Supply's case; but also the type of power cables used, and the technology used within.

Size and shape of an ATX power supply is approximately;

6 Inches Wide, 5.5 Inches Long, and 3.5 Inches in Height.
(152.39mm Wide, 139.69mm Long, and 88.89mm in Height)

Power cables included with Power Supply's nowadays, will include all the power cables you'll need, with probably some left over.

HOWEVER, looking at the 'ATX' form factor designated for your computer, to wit from the ad above, it does NOT fit the above size, and shape.

More like 6 Inches Wide, 4 Inches Long, and 3.5 Inches in Height.
Looks like they just crammed everything into one small box.

Remove motherboard, and all internal hardware, into a new computer case?
No prob!

Most Mid-Tower to Full Tower size computer cases, will have a Support Plate that accommodates a Micro-ATX form factor motherboard, OR an ATX form factor motherboard.

Just look at the Support Plate mounting holes.
Ones for a Micro-ATX (uATX) motherboard, will have uATX next to them, or MATX, or mATX.

Ones for an ATX motherboard, will have ATX next to them.

However check the computer case manufacturer info to be sure.

[ The motherboard mounts to a Support Plate.
The Support Plate can be an integral part of the metal frame, of the computer case; or a separate metal plate that attaches to the computer case metal frame ]

Not what you had in mind Joel? Post back in a Comment.

Regards,
joecoolvette

Feb 17, 2013 | HP Media Center PC M260n (DF200A#ABA) PC...

2 Answers

Will a mATX motherboard form factor fit into a case that has a ATX motherboard form factor?


it really depends on the compatabilty of the tower ... some towers can hold matx atx itx motherboards the way to find this out is to open the case and see if there are more ways than one to configure the motherboard stand offs most towers have a blue print of sorts etched into the metal next to the holes and it will say matx or atx or itx some are lettered like atx a-9 next to the hole or you can make a template by marking the holes from the mother board to a piece of paper and put the paper in the tower to see where the holes line up hope this helps

Aug 01, 2012 | Computers & Internet

1 Answer

What is the motherboard form factor of the Sony VAIO PCV-J120 PC Desktop motherboard?


Micro-ATX (mATX, or MATX)

To be sure there is a guide to use.

A full ATX form factor motherboard measures 12 inches by 9.6 inches. 305mm by 244mm
(9.6 inches is approximately 9 and 9/16ths inches)

A Micro-ATX form factor motherboard measures 9.6 inches by 9.6 inches. 244mm by 244mm

http://en.wikipedia.org/wiki/Motherboard_form_factor

(Scroll down)

Regards,
joecoolvette

Dec 12, 2010 | Sony VAIO PCV-J120 PC Desktop

1 Answer

Power protection capacitor burn why what is the main cause of this problem


Could be several reasons, I'd go for

1) Power surge. or 2) Component quality.

Jul 21, 2010 | Lite On OEM Compatible 150W Micro ATX mATX...

1 Answer

An intel celeron D socket 775 ddr2 motherboard for w3560 desktop


yes a mid sized. and it is call mATX for the form factor.
-socket 775
-DDR2
-PCIE
-mATX

Jun 05, 2010 | eMachines W3506 PC Desktop

1 Answer

Looking to build using hp 5716 case. need to know where to find out what mb will fit case.


The size of a motherboard, is the Motherboard Form Factor.

I'm willing to bet the Presario 5716 uses the Micro-ATX form factor, but could be wrong, and it could be the ATX form factor.

I base this belief on the factor, that I think the Presario 5716 uses a Mid Tower size of computer case.

The motherboard Micro-ATX form factor size, is 9.6 inches by 9.6 inches.
(9.6 inches is about 9 and 5/8th's inches.
5/8th's of an inch = .625)
Metric conversion for the above is 244mm by 244mm)

The ATX form factor size is 9.6 inches by 12 inches. (244mm by 305mm)

Inside the computer case is a Support Plate. The Support Plate, is what the motherboard screws down to.
Sometimes it's a separate piece, but for the Presario 5716 it's probably riveted to the case.

Looking at the Support Plate, you may notice the abbreviations mATX, and ATX by the motherboard mounting holes on the Support Plate.

mATX standing for Micro-ATX, and ATX standing for the ATX motherboard size.
This will be more readily spotted with the motherboard removed.

If so you can use either form factor of motherboard. You may Not be able to reuse the I/O plate, (I/O Shield), at the rear of the computer case. (Input/Output shield - plate)

The shiny rectangular, thin piece of metal, that covers the I/O ports. (Examples: Mouse, Keyboard, and Monitor to name a few I/O ports)

This rectangular plate pops out with a BIT of persuasion. The new motherboard should come with it's own matching I/O Shield.

WARNING!

The inside edges of the computer case, where the I/O Shield is mounted, are SHARP!! Use extreme caution, and perhaps gloves to remove the I/O Shield.

Once the old I/O Shield is removed, it is readily apparent of how to install the new one, and could avoid possible confusion of me trying to explain here.

Sometimes the I/O Shield that comes with the new motherboard is not a direct replacement, as to fitting in the existing rectangular hole, in the computer case.
In this instance, a little modification is in order to the computer case.
(IF so, remember to smooth the edges with a file)

This link to Wikipedia explains the motherboard form factor pretty well, and also has photos, and charts,

http://en.wikipedia.org/wiki/Motherboard_form_factor

(You can click on any photo to enlarge it. There is a chart at the bottom of the page)

Now you know,

A) Motherboard Form Factor
You can measure the old motherboard for it's size, and know what form factor it is.

B) Support Plate, and the mATX, and ATX designations that may be stamped, or printed near the motherboard mounting holes, on the Support Plate.

If the old motherboard is not obtainable, you can look for the above designations, to see what motherboard form factors apply.

You can also use a tape measure, and measure the distance in-between the mounting holes, and obtain a rough guess.
It won't be that rough a guess, when differentiating between 9.6 inches, and 12 inches.

C) When looking at a website that sells motherboards, you can look in the specifications description, and look for the designation ATX, or MATX, to see if that particular motherboard will fit in your Presario 5716 computer case.

(mATX, and MATX = Micro-ATX)

As for buying a motherboard that will equal the specifications of your old motherboard, good luck.

You can buy an exceedingly cheap motherboard now, that will outperform your old one, like a dragster flying by a snail, in comparison.

You won't be able to reuse the old Processor, and is doubtful that you can reuse the Ram Memory.

The Ram Memory, is SDR Sdram, that operates at a frequency rate of 100MHz FSB. (PC100)

(Single Data Rate Sdram is commonly just referred to as Sdram. Speed is slang for Frequency Rate)

The Processor, is either an Intel Pentium III that fits in a Slot 1 processor socket, or the Pentium III type that fits in a Socket 370 processors socket.

The Pentium III processor, that fits in a Slot 1 processor socket, is about 5-1/4 inches long, and 3 inches tall. It should have a black plastic case around it. Thickness is around 3/4th's of an inch.

The Pentium III processor that fits in a Socket 370 processor socket, is about 1-1/2 inches by 1-1/2 inches, and is square.

The Pentium III processor used in the Compaq Presario 5716 operates at a maximum frequency rate of 450MHz. (MegaHertz)

This gives you an indication, of what a Pentium III Slot 1 processor looks like,

http://www.cpu-world.com/CPUs/Pentium-III/Intel-Pentium%20III%20450%20-%2080525PY450512%20%28BX80525U450512%20-%20BX80525U450512E%29.html

Feb 02, 2010 | Compaq Presario 5716 PC Desktop

1 Answer

Compaq presario s3010cl motherboard replacement


Just about any Socket A / 462 Motherboard in the mATX form factor will work. make sure your memory and CPU are compatible with the motherboard before you buy.

Nov 24, 2009 | Compaq Computers & Internet

2 Answers

Asrock p4i65g motherboard


Your current motherboard is an mATX form factor. I recommend staying with that form factor for your new motherboard if staying with your current case. When upgrading to the new board you choose don't forget that you may need to upgrade the power supply unit also. You should upgrade to either a socket AM2+ board with dual core amd cpu or socket 775 board with Intel Duo Core2 cpu.

May 02, 2008 | Intel Motherboard

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